Mckaylee is a distinctive girls' name in United States, ranking #6289 in 2008 with 22 recorded births. The name reached its all-time peak in 2007 with 31 births ranking #4766. Since 1996, the popularity has increased by 22.2%. In 2008, approximately 1 in every 85,942 girls born was named Mckaylee. FALLING Recent data shows the name is currently falling.